Key West, FL

Weather Forecast Office

NWS Key West

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Last Map Update: Sun, Oct 25, 2026 at 8:12:32 am EDT

Watches, Warnings & Advisories

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National Weather Service Tampa Bay Area, FL

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Coastal Flood Warning

Gale Warning

Coastal Flood Advisory

Small Craft Advisory

Rip Current Statement

Gale Watch

Short Term Forecast

Windy Days Ahead

Coastal Flood Warning: Upper Keys

Gale Watch

Island Chain

Marine Winds

Wave Heights

Breezy to windy conditions will trend upwards over the next couple of days. Breezes are expected to peak early to mid week, and periods of near gale force gusts will be possible. A Small Craft Advisory Remains in effect for the Bayside/Gulfside waters, Hawk Channel, and Florida Bay. A Gale Watch is now in effect for the Straits of Florida and the SE Gulf. A Wind Advisory and Gale Warning cannot be ruled out as uncertainty remains high.

Coastal Flood Warning in effect for the Upper Keys! Coastal Flood Advisory in effect for the Lower and Middle Keys! Through Monday morning, saltwater flooding of low elevation streets and lots is expected, with some roads being impassable or saltwater unavoidable. Some storm drains will overflow & some seawalls/docks will be overtopped. Boaters should also expect less clearance under fixed bridges.

A Small Craft Advisory remains in effect for Florida Bay, the Bayside/Gulfside waters, and Hawk Channel through 5 AM EDT Tuesday. A Gale Watch is in effect for the Straits of Florida and the SE Gulf waters through 5 am EDT Tuesday. For the advisory, NE 20-30 knots, especially the SE Gulf. For the Watch, NE 25-30 knots, gusts up to 35 knots. For the advisory, seas of 6-9 ft, occasionally to 11 ft Florida Straits. For the Watch, 7-11 ft, occasionally to 14 ft FL Straits and the SE Gulf. Wind and wave conditions will be hazardous for small craft. Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.

***A COASTAL FLOOD WARNING REMAINS IN EFFECT FOR THE UPPER KEYS*** ***A COASTAL FLOOD ADVISORY REMAINS IN EFFECT FOR THE LOWER & MIDDLE KEYS*** UPPER KEYS: TODAY: Mostly sunny, becoming partly cloudy this afternoon. A slight chance of showers this morning, then showers likely with a slight chance of thunderstorms this afternoon. Becoming windy. Highs in the lower 80s. North winds 10 to 15 mph, becoming northeast and increasing to near 20 mph in the afternoon. Chance of rain 60 percent. LOWER & MIDDLE KEYS: TODAY: Mostly sunny, then becoming partly cloudy this afternoon. A chance of showers and a slight chance of thunderstorms this afternoon. Breezy, becoming windy. Highs in the lower 80s. North to northeast winds 15 to 20 mph, becoming northeast and increasing to near 20 mph. Chance of rain 30 percent.

***A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR FLORIDA BAY, HAWK CHANNEL & AND THE BAYSIDE/GULFSIDE WATERS!*** ***A GALE WATCH IS IN EFFECT FOR THE STRAITS OF FLORIDA AND THE SE GULF WATERS!*** TODAY: Fresh to strong N-NE breezes, except strong to near gale breezes SE Gulf waters. Seas: Bay/Gulfside 2-3 ft, except W of the Marquesas building to 5-6 ft, occasionally to 8 ft; Hawk Channel 2-3 ft, except W of Cosgrove 3-5 ft, occasionally to 6 ft; FL Straits building to 5-7 ft, ocsnl 9 ft; SE Gulf building to 5-7 ft, ocsnl 9 ft. Bay / nearshore waters rough, becoming very rough. A slight chance of showers, then chance of showers and a slight chance of thunderstorms pm.

***A SMALL CRAFT ADVISORY REMAINS IN EFFECT FOR FLORIDA BAY, HAWK CHANNEL & AND THE BAYSIDE/GULFSIDE WATERS!*** ***A GALE WATCH IS IN EFFECT FOR THE STRAITS OF FLORIDA AND THE SE GULF WATERS!*** TODAY: Fresh to strong N-NE breezes, except strong to near gale breezes SE Gulf waters. Seas: Bay/Gulfside 2-3 ft, except W of the Marquesas building to 5-6 ft, occasionally to 8 ft; Hawk Channel 2-3 ft, except W of Cosgrove 3-5 ft, occasionally to 6 ft; FL Straits building to 5-7 ft, ocsnl 9 ft; SE Gulf building to 5-7 ft, ocsnl 9 ft. Bay / nearshore waters rough, becoming very rough. A slight chance of showers, then chance of showers and a slight chance of thunderstorms pm.

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Heavy Rainfall This Weekend in the Southern Plains and in South Florida; Bering Sea Storm in Alaska

NWS Key West